{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:Q67GNGANJ2ZU2YMKM4XZWFZXS5","short_pith_number":"pith:Q67GNGAN","canonical_record":{"source":{"id":"1408.2543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-11T20:18:39Z","cross_cats_sorted":[],"title_canon_sha256":"0004517b1d8bda9a2e3f4dbbf3b4129e130c4b63ee9f3f2905dc9012ee48eb39","abstract_canon_sha256":"f980adf08aed1cbc839c8d8424bd877a314b397719efc37c16db95d6bba3b2a4"},"schema_version":"1.0"},"canonical_sha256":"87be66980d4eb34d618a672f9b17379759919b47f37a7c6e458b71c904a88f75","source":{"kind":"arxiv","id":"1408.2543","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2543","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2543v1","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2543","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"pith_short_12","alias_value":"Q67GNGANJ2ZU","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"Q67GNGANJ2ZU2YMK","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"Q67GNGAN","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:Q67GNGANJ2ZU2YMKM4XZWFZXS5","target":"record","payload":{"canonical_record":{"source":{"id":"1408.2543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-11T20:18:39Z","cross_cats_sorted":[],"title_canon_sha256":"0004517b1d8bda9a2e3f4dbbf3b4129e130c4b63ee9f3f2905dc9012ee48eb39","abstract_canon_sha256":"f980adf08aed1cbc839c8d8424bd877a314b397719efc37c16db95d6bba3b2a4"},"schema_version":"1.0"},"canonical_sha256":"87be66980d4eb34d618a672f9b17379759919b47f37a7c6e458b71c904a88f75","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:45:22.823159Z","signature_b64":"hxct4B14KP3189xNhgydRj8+nAkT/q6O453BduWu6xdqnA5iQMh+H9I5v0hNmx0DLo6b+xFy+ANlSXQ6l3ABBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87be66980d4eb34d618a672f9b17379759919b47f37a7c6e458b71c904a88f75","last_reissued_at":"2026-05-18T02:45:22.822753Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:45:22.822753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.2543","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:45:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TCIApIi7kVhsjDA5tOFQhMpqftAgllhDjLYh1Y7Pvtr1xw08vvCQ+77dVomkfG1f2XudylmOw/cZy3X1EP4nCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T21:23:03.356270Z"},"content_sha256":"3993cf386ce180698ea72b478bf019fb99717ad148bad414d245da105661d565","schema_version":"1.0","event_id":"sha256:3993cf386ce180698ea72b478bf019fb99717ad148bad414d245da105661d565"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:Q67GNGANJ2ZU2YMKM4XZWFZXS5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cupid is Doomed: An Analysis of the Stability of the Inner Uranian Satellites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Mark R. Showalter, Robert S. French","submitted_at":"2014-08-11T20:18:39Z","abstract_excerpt":"We have explored the stability of the inner Uranian satellites using simulations based on the most recent observational data. We find that, across a wide range of mass assumptions, the system is unstable, resulting in the eventual crossing of orbits and probable subsequent collision of moons. Cupid and Belinda are usually the first satellites to cross orbits, and they do so on a time scale of 10^3-10^7 years. Cressida and Desdemona are generally the next pair to cross, on a time scale of 10^5-10^7 years. We show that the crossing times are highly sensitive to initial conditions and that Cupid'"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2543","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:45:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QvzBCl/akxIWoW2cFZpAceiaemcFYpY/PAieinKoCc8ClVX1lVa0BMjy3SsxU0v25w0vD7dxcfXZiDdvbuf5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T21:23:03.356987Z"},"content_sha256":"64254a75b4c199a06c6ccc719601f65ba143496f80ad066782f193a57e6cedb6","schema_version":"1.0","event_id":"sha256:64254a75b4c199a06c6ccc719601f65ba143496f80ad066782f193a57e6cedb6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q67GNGANJ2ZU2YMKM4XZWFZXS5/bundle.json","state_url":"https://pith.science/pith/Q67GNGANJ2ZU2YMKM4XZWFZXS5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q67GNGANJ2ZU2YMKM4XZWFZXS5/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-06T21:23:03Z","links":{"resolver":"https://pith.science/pith/Q67GNGANJ2ZU2YMKM4XZWFZXS5","bundle":"https://pith.science/pith/Q67GNGANJ2ZU2YMKM4XZWFZXS5/bundle.json","state":"https://pith.science/pith/Q67GNGANJ2ZU2YMKM4XZWFZXS5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q67GNGANJ2ZU2YMKM4XZWFZXS5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:Q67GNGANJ2ZU2YMKM4XZWFZXS5","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f980adf08aed1cbc839c8d8424bd877a314b397719efc37c16db95d6bba3b2a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-11T20:18:39Z","title_canon_sha256":"0004517b1d8bda9a2e3f4dbbf3b4129e130c4b63ee9f3f2905dc9012ee48eb39"},"schema_version":"1.0","source":{"id":"1408.2543","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2543","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2543v1","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2543","created_at":"2026-05-18T02:45:22Z"},{"alias_kind":"pith_short_12","alias_value":"Q67GNGANJ2ZU","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"Q67GNGANJ2ZU2YMK","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"Q67GNGAN","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:64254a75b4c199a06c6ccc719601f65ba143496f80ad066782f193a57e6cedb6","target":"graph","created_at":"2026-05-18T02:45:22Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We have explored the stability of the inner Uranian satellites using simulations based on the most recent observational data. We find that, across a wide range of mass assumptions, the system is unstable, resulting in the eventual crossing of orbits and probable subsequent collision of moons. Cupid and Belinda are usually the first satellites to cross orbits, and they do so on a time scale of 10^3-10^7 years. Cressida and Desdemona are generally the next pair to cross, on a time scale of 10^5-10^7 years. We show that the crossing times are highly sensitive to initial conditions and that Cupid'","authors_text":"Mark R. Showalter, Robert S. French","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-11T20:18:39Z","title":"Cupid is Doomed: An Analysis of the Stability of the Inner Uranian Satellites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2543","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:3993cf386ce180698ea72b478bf019fb99717ad148bad414d245da105661d565","target":"record","created_at":"2026-05-18T02:45:22Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f980adf08aed1cbc839c8d8424bd877a314b397719efc37c16db95d6bba3b2a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-11T20:18:39Z","title_canon_sha256":"0004517b1d8bda9a2e3f4dbbf3b4129e130c4b63ee9f3f2905dc9012ee48eb39"},"schema_version":"1.0","source":{"id":"1408.2543","kind":"arxiv","version":1}},"canonical_sha256":"87be66980d4eb34d618a672f9b17379759919b47f37a7c6e458b71c904a88f75","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"87be66980d4eb34d618a672f9b17379759919b47f37a7c6e458b71c904a88f75","first_computed_at":"2026-05-18T02:45:22.822753Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:45:22.822753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hxct4B14KP3189xNhgydRj8+nAkT/q6O453BduWu6xdqnA5iQMh+H9I5v0hNmx0DLo6b+xFy+ANlSXQ6l3ABBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:45:22.823159Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.2543","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3993cf386ce180698ea72b478bf019fb99717ad148bad414d245da105661d565","sha256:64254a75b4c199a06c6ccc719601f65ba143496f80ad066782f193a57e6cedb6"],"state_sha256":"b32f65388498532281d6f093c530b60d4f9bb3a83f1a4b507008156b08f91af1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CSFUbbRm2w60k2qlfXjd+FsaH2W0aKcvL7CofqNfg/pnvHU2k+LT4jXC37S62tDO5F2Do5hCA2W0qGcsj71fAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T21:23:03.360145Z","bundle_sha256":"8d2c69bab22825d273bb5844e09eced6bd654b272f6d14f479fc688a3e222f6f"}}